:root{color-scheme:dark;--background:#071324;--panel:#0b1a2e;--text:#edf4ff;--muted:#9aacbf;--cyan:#7cf7ff;--red:#e82145;--line:rgba(177,215,241,.14);font-family:Inter,"Segoe UI",Arial,sans-serif}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;color:var(--text);background:radial-gradient(ellipse at 45% 34%,#103a50 0,transparent 40%),linear-gradient(135deg,#0a1426,#06111f 65%,#101a2b);overflow-x:hidden}
button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:5px}
.skip-link{position:fixed;left:16px;top:-80px;padding:14px;background:#fff;color:#071324;z-index:10}.skip-link:focus{top:16px}
.ambient{position:fixed;border-radius:50%;filter:blur(100px);pointer-events:none;z-index:-1}.ambient-one{width:440px;height:440px;left:23%;top:24%;background:#04657733}.ambient-two{width:300px;height:300px;right:-100px;bottom:5%;background:#731b4822}
.masthead{max-width:1680px;margin:auto;padding:25px 42px;display:flex;align-items:center;gap:30px;border-bottom:1px solid var(--line)}
.brand{width:92px;height:58px;background:#fff;display:grid;place-items:center;border-radius:8px}.brand img{width:76px;height:56px;object-fit:contain}
.project-name{font-size:10px;font-weight:700;letter-spacing:.2em;color:#b0c8dc}.preview-badge{margin-left:auto;border:1px solid var(--line);border-radius:30px;padding:10px 15px;font-size:11px;color:#bcd4e3;display:flex;align-items:center;gap:8px}.preview-badge span{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 14px var(--cyan)}
.experience{max-width:1680px;margin:0 auto;padding:46px 42px 32px;display:grid;grid-template-columns:minmax(240px,.9fr) minmax(420px,1.65fr) minmax(315px,1fr);gap:32px;align-items:start}
.introduction{padding-top:28px}.eyebrow{display:flex;align-items:center;gap:10px;letter-spacing:.16em;font-size:9px;font-weight:800;color:#b3c8da}.eyebrow span{height:2px;width:24px;background:var(--red)}
h1{margin:28px 0 24px;font-size:clamp(34px,3.6vw,62px);line-height:1.01;letter-spacing:-.045em;font-weight:500}h1 span{display:block;color:var(--cyan);font-family:Georgia,"Times New Roman",serif;font-style:italic;font-weight:400;margin-top:10px}
.intro-lead{font-size:19px;line-height:1.5;font-weight:500;letter-spacing:-.015em}.intro-description{max-width:270px;color:var(--muted);line-height:1.8;font-size:13px;margin:20px 0 24px}
.identity{display:flex;gap:13px;align-items:center;padding-top:20px;border-top:1px solid var(--line);margin:0 0 28px}.identity img{width:48px;height:48px;object-fit:cover;object-position:50% 30%;border-radius:50%;border:1px solid #7cf7ff66}.identity strong{display:block;font-size:12px;font-weight:600}.identity span{display:block;font-size:10px;color:var(--muted);margin-top:6px}
.chat-jump{display:inline-flex;align-items:center;gap:22px;min-height:44px;padding:10px 15px;margin:0 0 22px;border:1px solid #7cf7ff55;border-radius:8px;background:#7cf7ff09;color:#c8f6f7;font-size:11px}.chat-jump span{color:var(--cyan);font-size:18px}
.section-label{display:block;font-size:9px;letter-spacing:.17em;color:#91a9bd;font-weight:700}.topic-list{display:grid;gap:7px;margin:15px 0 24px}.topic-button{width:100%;display:grid;grid-template-columns:27px 1fr 14px;align-items:center;gap:10px;padding:11px 10px;text-align:left;color:#b4c8d7;border:1px solid transparent;border-radius:8px;background:transparent;min-height:48px}.topic-button.active,.topic-button:hover{background:#67dfef09;border-color:#7cf7ff26;color:var(--text)}.topic-icon{font-size:17px;color:#68cddf}.topic-button strong{font-size:12px;font-weight:500}.topic-button small{display:none}.topic-button>span:last-child{color:#567c8f}.knowledge-note{display:flex;align-items:flex-start;gap:11px;border-top:1px solid var(--line);padding-top:18px;color:#7895ac}.knowledge-note>span{color:var(--cyan);font-size:20px}.knowledge-note p{font-size:10px;line-height:1.7;margin:0}
.presence{position:relative;min-width:0}.presence-top{display:flex;align-items:center;justify-content:space-between;gap:10px;color:#608da4;font:9px "Consolas",monospace;letter-spacing:.14em;padding:16px 14px;border-bottom:1px solid #7cf7ff14}.status-light{color:#86d4d4;font-size:8px;white-space:nowrap}
.hologram-stage{position:relative;height:650px;overflow:hidden;isolation:isolate;background:radial-gradient(ellipse at 50% 42%,#2b93aa12,transparent 58%);border-radius:26px}
#hologram-canvas{display:block;width:100%;height:100%;position:relative;z-index:2;touch-action:pan-y;cursor:grab}#hologram-canvas:active{cursor:grabbing}#hologram-canvas:focus-visible{outline-offset:-8px;border-radius:20px}
.stage-grid{position:absolute;inset:0;opacity:.17;background-image:linear-gradient(#72daed19 1px,transparent 1px),linear-gradient(90deg,#72daed19 1px,transparent 1px);background-size:50px 50px;mask-image:radial-gradient(ellipse at center,#000,transparent 72%)}
.halo{position:absolute;left:50%;top:43%;width:80%;height:72%;border:1px solid #7cf7ff0e;border-radius:50%;transform:translate(-50%,-50%);pointer-events:none}.halo-two{width:95%;height:86%;border-style:dashed;border-color:#7cf7ff09}
.stage-corner{position:absolute;width:24px;height:24px;border-color:#73c5d34d;border-style:solid;z-index:3;pointer-events:none}.corner-left{left:10px;bottom:30px;border-width:0 0 1px 1px}.corner-right{right:10px;top:30px;border-width:1px 1px 0 0}
.hologram-fallback{position:absolute;inset:0;z-index:4;place-content:center;text-align:center;background:radial-gradient(circle,#153f52,#071324)}.hologram-fallback:not([hidden]){display:grid}.hologram-fallback>span{color:var(--cyan);font-family:Georgia,serif;font-size:110px;text-shadow:0 0 40px #7cf7ff55}.hologram-fallback p{font-size:13px;color:var(--muted)}
.presence-caption{display:flex;align-items:center;gap:14px;padding:0 16px 20px}.presence-caption strong{display:block;font-size:12px;letter-spacing:.04em;font-weight:500;margin-top:8px}.interaction-hint{margin-left:auto;color:#5e91a7;font-size:9px;text-align:right}.signal{display:flex;align-items:center;gap:3px;height:30px}.signal i{display:block;width:2px;height:10px;background:var(--cyan);box-shadow:0 0 8px #7cf7ff66}.signal i:nth-child(2),.signal i:nth-child(4){height:20px}.signal i:nth-child(3){height:28px}
.presence-controls{display:flex;justify-content:center;gap:8px;flex-wrap:wrap}.presence-controls button{min-height:44px;padding:10px 11px;border:1px solid #83d8df26;border-radius:8px;color:#c6dde4;background:#7ddae906;font-size:10px;display:flex;gap:7px;align-items:center}.presence-controls button:hover,.presence-controls button[aria-pressed=true]{border-color:#7cf7ff77;background:#7cf7ff12;color:var(--cyan)}.presence-controls button>span{font-size:17px}.presence-note{text-align:center;line-height:1.6;font-size:9px;color:#7895ac;max-width:460px;margin:14px auto 0}
.conversation-panel{padding:25px 22px 22px;border:1px solid #b6def820;border-radius:20px;background:linear-gradient(155deg,#14283dbb,#0b1b2cc9);box-shadow:0 30px 60px #00000020;min-width:0;backdrop-filter:blur(18px);margin-top:30px}.conversation-header{display:flex;gap:12px;justify-content:space-between;align-items:center}.conversation-header h2{font-size:19px;line-height:1.3;letter-spacing:-.025em;margin:9px 0 18px;font-weight:500}.reset-button{height:44px;min-width:44px;border:1px solid var(--line);background:#ffffff03;border-radius:50%;color:#aac9d9;font-size:19px;align-self:start}
.library-label{display:flex;align-items:center;gap:7px;font-size:9px;color:#94b9ca;margin-bottom:24px}.library-label span{width:5px;height:5px;background:#80d9d0;border-radius:50%}
.messages{max-height:340px;min-height:220px;overflow-y:auto;padding-right:5px;scrollbar-width:thin;scrollbar-color:#376275 transparent}.message{display:flex;align-items:flex-start;gap:9px;margin:0 0 17px}.message-mark{border:1px solid #7cf7ff26;width:24px;height:24px;display:grid;place-items:center;flex-shrink:0;font-size:8px;color:#95e0e4;border-radius:6px}.message-bubble{min-width:0;max-width:100%;padding:14px 13px;background:#ffffff06;border:1px solid #91c7df11;border-radius:0 12px 12px 12px;font-size:12px;color:#bccfdc;line-height:1.7;overflow-wrap:anywhere}.message-bubble p{margin:0}.message-bubble p+p{margin-top:10px}.message-bubble strong{font-weight:500;color:var(--text)}.user-message{justify-content:flex-end}.user-message .message-bubble{background:#6cd6e50e;border-color:#6cd6e517;border-radius:12px 0 12px 12px}.message-bubble a{color:var(--cyan);text-decoration:underline;font-size:11px}.answer-media{max-width:100%;display:block;margin-top:10px}.media-button{padding:9px 10px;border-radius:7px;min-height:44px;border:1px solid var(--line);background:#071324;color:#bde4ef;font-size:10px}.media-button:disabled{opacity:.6}.media-meta{font-size:9px;color:var(--muted);margin-top:8px}
.suggestions{display:flex;flex-wrap:wrap;gap:7px;margin:14px 0 26px;max-height:160px;overflow-y:auto;scrollbar-width:thin}.suggestion-button{border:1px solid #93cbe425;border-radius:8px;background:#ffffff02;color:#a8c5d5;padding:10px 11px;text-align:left;font-size:10px;line-height:1.5;min-height:44px;max-width:100%}.suggestion-button:hover{border-color:#7cf7ff77;color:var(--text)}
.question-form>label{display:block;font-size:9px;letter-spacing:.12em;color:#8fafc2;margin-bottom:9px}.input-row{display:flex;align-items:center;padding:7px;border:1px solid #7fb9d536;border-radius:12px;background:#071624}.input-row:focus-within{border-color:#7cf7ff8c}.input-row input{width:100%;min-width:0;background:none;color:#f1f7fa;border:0;outline:0;padding:10px 8px;font-size:11px}.input-row input::placeholder{color:#608298}.input-row button{height:42px;min-width:42px;flex-shrink:0;color:#061c28;background:#8cf2ee;border:0;border-radius:8px;font-size:24px;font-weight:500}.privacy-note{font-size:9px;line-height:1.6;color:#7894a7;margin:13px 0 24px}.human-link{display:flex;justify-content:space-between;align-items:center;font-size:10px;padding-top:17px;border-top:1px solid var(--line);color:#a8becd}
footer{max-width:1680px;margin:auto;padding:24px 42px;display:flex;justify-content:space-between;gap:20px;font-size:9px;color:#68849a;letter-spacing:.1em;border-top:1px solid #b6def811}footer span:last-child{letter-spacing:0}
@media(min-width:1650px){.experience{gap:48px}.hologram-stage{height:720px}}
@media(max-width:1200px){.experience{grid-template-columns:220px minmax(340px,1fr);gap:26px;padding-inline:28px}.conversation-panel{grid-column:1/-1;max-width:860px;width:100%;margin:5px auto 0}.messages{min-height:120px;max-height:260px}.masthead{padding-inline:28px}.hologram-stage{height:580px}.introduction{padding-top:12px}}
@media(max-width:700px){.masthead{padding:17px 20px;gap:12px}.brand{width:73px;height:49px}.brand img{width:64px;height:45px}.project-name{display:none}.preview-badge{font-size:9px;padding:9px 11px}.experience{display:flex;flex-direction:column;padding:24px 18px;gap:18px}.introduction{width:100%;padding:0}.eyebrow{font-size:8px}.introduction h1{font-size:39px;line-height:1.04;margin:21px 0 15px}.introduction h1 span{display:inline;margin-left:10px}.intro-lead{font-size:16px;margin:0 0 12px}.intro-lead br{display:none}.intro-description,.identity,.introduction>.section-label,.topic-list,.knowledge-note{display:none}.presence{width:100%}.presence-top{padding:12px 8px;font-size:8px}.status-light{font-size:7px}.hologram-stage{height:450px;max-height:65svh;min-height:340px}.presence-caption{padding:0 8px 15px;gap:10px}.presence-caption strong{font-size:11px}.interaction-hint{font-size:8px}.presence-controls{gap:6px}.presence-controls button{font-size:9px;padding:8px}.presence-note{max-width:320px;font-size:9px}.conversation-panel{margin:12px 0 0;width:100%;padding:22px 18px}.conversation-header h2{font-size:20px}.messages{min-height:130px;max-height:300px}.message-bubble{font-size:12px}.suggestions{max-height:170px}.input-row input{font-size:12px}footer{padding:22px 20px;flex-direction:column;gap:10px;font-size:8px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}
.input-row button{height:44px;min-width:44px}
@media(max-width:700px){
  .chat-jump{margin:12px 0 6px;font-size:11px}
  .introduction>.section-label{display:block;margin:16px 0 10px}
  .topic-list{display:flex;overflow-x:auto;gap:7px;margin:0;padding-bottom:7px;scrollbar-width:thin;max-width:100%}
  .topic-button{display:flex;flex:0 0 auto;width:auto;gap:6px;padding:8px 12px;border-color:#83d8df26;min-height:44px}
  .topic-button .topic-icon,.topic-button>span:last-child{display:none}
  .topic-button strong{font-size:10px;white-space:nowrap}
}